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Kaplan Qbank USMLE



Author6 Posts
  #1

An Hispanic male is referred to the dermatology clinic of a major medical center. On physical examination, the man has several disfiguring lesions on his face and there is loss of cutaneous sensation to fine touch, pain, and temperature. An acid- fast organism is observed in scrapings from a skin lesion. Which of the following is most likely to be found on the surface of the multinucleated giant cells contained in this lesion?

A- CD3

B- CD4

C- CD8

D- CD14

E- CD20

F- CD56


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Prioritize & simplify.

  #2

C- CD8 lepromatous leprosy while the tuberculous one is CD 4 ??

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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #3

shaking head

CD 8 is the receptor of Tcytotoxic, those are not which fuse together in the leprosy.


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Prioritize & simplify.

  #4

F- CD56 ?? Total Guess.


___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #5

aren't the multinucleated giant cells , macrophages? atleast its the case in TB and hence I am assuming its macrophages and going for CD 14

  #6

YES ! Doc179 nod


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Prioritize & simplify.







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